Hypericum calycinum

(redirected from Aaron's-beard)
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Noun1.Hypericum calycinum - creeping evergreen shrub with bright yellow star-shaped summer flowersHypericum calycinum - creeping evergreen shrub with bright yellow star-shaped summer flowers; useful as ground cover
St John's wort - any of numerous plants of the genus Hypericum having yellow flowers and transparently dotted leaves; traditionally gathered on St John's eve to ward off evil